Evaluate: -4(-1/8 + 0.3)A. - 1.7B. - 0.7C. 0.8D. 2
Question
Answer:
[tex]-4(- \dfrac{1}{8} + 0.3)[/tex]Rewrite decimal to fraction:
[tex]= -4(- \dfrac{1}{8} + \dfrac{3}{10})[/tex]
Change the denominators to be the same:
[tex]= -4(- \dfrac{1 \times 5}{8 \times 5} + \dfrac{3 \times 4}{10 \times 4})[/tex]
Simplify each fraction:
[tex]= -4(- \dfrac{5}{40} + \dfrac{12}{40})[/tex]
Add the fraction in the bracket:
[tex]= -4( \dfrac{7}{40})[/tex]
Multiply:
[tex]= -\dfrac{7}{10}[/tex]
solved
general
10 months ago
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